import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '@/components/Login.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Login.vue')
// import Home from '@/components/Home.vue'
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Home.vue')
// import Welcome from '@/components/Welcome.vue'
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Welcome.vue')

// import Users from '@/components/user/Users.vue'
const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/user/Users.vue')
// import Rights from '@/components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Rights.vue')
// import Roles from '@/components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Roles.vue')

// import Cate from '@/components/goods/Cate.vue'
const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Cate.vue')
// import Params from '@/components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Params.vue')

// import List from '@/components/goods/List.vue'
const List = () => import(/* webpackChunkName: "List_Add" */ '@/components/goods/List.vue')
// import Add from '@/components/goods/Add.vue'
const Add = () => import(/* webpackChunkName: "List_Add" */ '@/components/goods/Add.vue')

// import Order from '@/components/order/Order.vue'
const Order = () => import(/* webpackChunkName: "Order_Report" */ '@/components/order/Order.vue')
// import Report from '@/components/report/Report.vue'
const Report = () => import(/* webpackChunkName: "Order_Report" */ '@/components/report/Report.vue')

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  {
    path: '/login',
    component: Login,
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome,
      },
      {
        path: '/users',
        component: Users,
      },
      {
        path: '/rights',
        component: Rights,
      },
      {
        path: '/roles',
        component: Roles,
      },
      {
        path: '/categories',
        component: Cate,
      },
      {
        path: '/params',
        component: Params,
      },
      {
        path: '/goods',
        component: List,
      },
      {
        path: '/goods/add',
        component: Add,
      },
      {
        path: '/orders',
        component: Order,
      },
      {
        path: '/reports',
        component: Report,
      },
    ]
  }

]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  //     next()  放行    next('/login')  强制跳转

  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
